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Rainbow Magnet Ltd.
Rainbow Magnet Ltd.  

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Small SmCo5 Disc magnet with size D2xh1mm 

Price: 0.01~100.0 USD 
Payment Terms: T/T,L/C,WU 
Place of Origin: Zhejiang, China (Mainland) 
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Product Detail

Model No.: RM-S13
Production Capacity: 100TON/MONTH
Delivery Date: 7-30days
Type: Permanent
Brand Name: rainbow magnet
Means of Transport: Ocean,Air;experess
Packing: standard air cartons or sea...
Application: Speaker Magnet
Composite: Neodymium Magnet

1.Various kind of smco magnet
2.Best quality and good price
3.Short lead time and all-round service

extremely strong magnet
Samarium cobalt magnets are composed of samarium, cobalt and iron. These rare earth magnets are extremely strong for their small size, metallic in appearance and found in simple shapes such as rings, blocks and discs.

According the composition, we divide two of SMCO: Sm2CO17 and SmCo5
According the process, we divide to sintered Smco and bonded Smco


SmCo5
Compare Sm2Co17, the price is higher, it is not easy brittle
The (BH) max range is from 16 to 25, maximum working-
temperature 250°C. The physical character and ductibility is
better than Sm2Co17, so SmCo5 is easier to be machined
thin thickness disc or ring wall and complex shapes which
Sm2Co17 are difficult to make.
Materials
Grade
Br (Residual induction)
Hcb (Coercive Force)
Hcj (Intrinsic coercive Force)
(BH)max. Max. Energy Product
Max. Operating Temp.
TC
Curie Temp.
(KGs)
(KOe)
(KOe)
(MGOe)
(°c)
(°c)
SmCo5
YX-16
8.1-8.5
7.8-8.3
15-23
14-16
250
750
SmCo5
YX-18
8.5-9.0
8.3-8.8
15-23
16-18
250
750
SmCo5
YX-20
9.0-9.4
8.5-9.1
15-23
19-21
250
750
SmCo5
YX-22
9.2-9.6
8.9-9.4
15-23
20-22
250
750
SmCo5
YX-24
9.6-10.0
9.2-9.7
15-23
22-24
250
750
SmCo5
YX-16s
7.9-8.4
7.7-8.2
≥23
15-17
250
750
SmCo5
YX-18s
8.4-8.9
8.1-8.6
≥23
17-19
250
750
SmCo5
YX-20s
8.9-9.3
8.6-9.1
≥23
19-21
250
750
SmCo5
YX-22s
9.2-9.6
8.9-9.4
≥23
21-23
250
750
SmCo5
YX-24s
9.6-10.0
9.3-9.8
≥23
23-25
250
750
(SmGd)Co5
LTc(YX-10)
6.2-6.6
6.1-6.5
≥23
9.5-11
300
750

Sintered Smco auxiliary magnetic and physical properties
Item
Parameters
SmCo5
Sm2Co17
Auxiliary magnetic properties
Temp. coefficient of Br (α(Br))/%/ K-1
-0.05
-0.03
Temp. coefficient. of Hcj (α(Hcj)/%/ K-1
-0.3
-0.3
Curie Temperature (Tc)/K
1000
1000
Recoil Permeability (μrec)
1.05
1.10
physical properties
Density (g/cm-3)
8.2
8.4
Vickers Hardness
Hv/MPa
450
650
Electrical Resistivity
(ρ/Ω•cm)
5.3x10-5
8.5x10-5
Compressive Strengthδc/MPa
1000
800
Tensile Strength
δb/ MPa
400
350
Bending Strength
δw/MPa
180
150

Compare of the magnetic properties for rare earth magnet material
item
Js/T
(BH)m
/KJ.m-3
HA
/MA.m-1
Tc/℃
RE/TM
TM
SmCo5
1.15
248
32
740
0.166
Co
Sm2Co17
1.56
480
8
890
0.105
Co
Nd2Fe14B
1.61
528
6
310
0.117
Fe

Applications
²Generator,
²microphone,
²vibration sensor,
²ignition device,
²a bomb detonated,
²meter,
²magnetic recording
²Traveling wave tubes
²backward wave tubes
²cathode ray tubes
²orthogonal magnetic amplifier
²klystron
²microwave devices

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 Ms. Annie

Tel: 86-574-87840198
Fax: 86-574-87393806
Mobile: 86- 189 5744 9606
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Company Info

Rainbow Magnet Ltd. [China (Mainland)]


Business Type:Manufacturer
City: Ningbo
Province/State: Zhejiang
Country/Region: China (Mainland)

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